Greatest 2020 Sporting Highlights

#!/usr/bin/perl -w # poll.cgi ############################################################### # # # Any use of this program is entirely at the risk of the # # user. No liability will be accepted by the author. # # # # This code must not be distributed or sold, even in modified # # form, without the written permission of the author. # # # ############################################################### use strict; # Load variables and class libraries, trap all errors eval { # Get script location (UNIX & Windows) ($0 =~ m,(.*)/[^/]+,) && unshift (@INC, "$1"); # Get script location (Windows) ($0 =~ m,(.*)\\[^\\]+,) && unshift (@INC, "$1"); # Load global variables and subroutines require "common.inc"; require "settings.inc"; # Load class libraries use CGI::Carp qw(fatalsToBrowser); use CGI qw(:standard); use lib::Date; use lib::FileDB; use strict; }; if ($@) { print "Content-type: text/plain\n\n", "Failed to load global variables and class libraries:\n$@\n", "Please make sure that all program files were uploaded in ASCII mode,\n", "permissions have been set correctly and all files are in correct location.\n", "Refer to program manual for more detail."; exit; } # Execute script eval { &main; }; if ($@) { print "Content-type: text/plain\n\n", "An unexpected error has occurred:\n$@\n"; exit; } ######################## MAIN PROGRAM BLOCK ######################## sub main { # Denial of service attack prevention $CGI::POST_MAX = 1024000; # max form post size $CGI::DISABLE_UPLOADS = 1; # no file uploads my $FORM = new CGI; my $poll_id; if ($FORM->param('poll_id')) { $poll_id = $FORM->param('poll_id'); } else { croak "Poll ID $ENV{'POLL_ID'} was not supplied."; } # Demo mode my $demo_check = $FORM->param('demo'); # Return URL my $return_url = $FORM->param('return_url'); # Read polls my $file_db = new lib::FileDB; $file_db->open_file(-file_name => "$main::DATA_PATH/POLLS.cgi"); $file_db->close_file(); my %poll_info = $file_db->get_record(-condition => "poll_id=$poll_id"); # Record not found croak "Could not locate poll (ID=$poll_id)." if !%poll_info; # Read poll options $file_db->open_file(-file_name => "$main::DATA_PATH/$poll_id.cgi"); $file_db->close_file(); my %poll_options_info = $file_db->get_records(); my $number_of_options = 0; $number_of_options = scalar(@{$poll_options_info{'option_num'}}) if %poll_options_info; # Load poll template require "$main::TMPL_PATH/$poll_info{'template'}.inc"; # Get current date my $date = new lib::Date; my $current_date = $date->current_date(); # Check if it's time to clean IP log if ($poll_info{'end_date'} > $current_date && $poll_info{'ip_cleaning_time'} && ($current_date - $poll_info{'ip_cleaning_date'}) >= $poll_info{'ip_cleaning_time'}) { my $tmp = $current_date - $poll_info{'ip_cleaning_date'}; &reset_ip_log($poll_id, $current_date); } # HTML output my $html_out = qq(

); # Options HTML my $options_html = ""; # Display error if vote is not active if (!$poll_info{'active'}) { $html_out = qq(Poll has been deactivated.); } else { my $already_voted; if ($poll_info{'end_date'} <= $current_date) { $already_voted = 1; } else { $already_voted = &see_if_voted($poll_id, $current_date, $poll_info{'ip_cleaning_time'}); } my ($start_date, $end_date) = ($date->to_string(-date => $poll_info{'start_date'}), $date->to_string(-date => $poll_info{'end_date'})); # Process vote if submitted and valid if ($FORM->param('submit_vote')) { if ($FORM->param('option') && !$already_voted && $poll_info{'end_date'} > $current_date) { &record_vote($poll_id, $current_date); } if ($return_url) { print "Location:$return_url\n\n"; } else { $demo_check = "&demo=$demo_check" if $demo_check; print "Location:$main::SCRIPT_URL/poll.cgi?poll_id=$poll_id$demo_check\n\n"; } exit; } # Skip voting and show results if ($FORM->param('view_results') && $main::submission_code =~ /\{VIEW_BUTTON\}/) { if ($return_url) { print "Location:$return_url?view_results\n\n"; } else { $demo_check = "&demo=$demo_check" if $demo_check; print "Location:$main::SCRIPT_URL/poll.cgi?poll_id=$poll_id$demo_check&view_results\n\n"; } exit; } # Display poll results elsif ($already_voted || (($ENV{'REQUEST_URI'} =~ /view_results/ || $ENV{'QUERY_STRING_UNESCAPED'} =~ /view_results/ || $ENV{'QUERY_STRING'} =~ /view_results/) && $main::submission_code =~ /\{VIEW_BUTTON\}/)) { # Get total number of votes my $total_votes = 0; foreach my $tmp_votes(@{$poll_options_info{'option_votes'}}) { $total_votes += $tmp_votes; } # Row separator my $row_separator = "\n"; for (my $n = 1; $n < ($number_of_options * 2); $n++) { $row_separator .= qq(\n); } $row_separator .= "\n"; # Column separator my $column_separator = qq(\n); # Poll option rows my $rows_str = ""; # Build horizontally aligned poll if ($main::poll_alignment eq 'horizontal') { $rows_str = &build_horizontal_poll($number_of_options, $total_votes, $main::show_votes, $main::show_percent, $main::show_bars, $main::bar_width, $main::bar_length, $row_separator, $column_separator, %poll_options_info); # Build vertically aligned poll } else { $rows_str = &build_vertical_poll($number_of_options, $total_votes, $main::show_votes, $main::show_percent, $main::show_bars, $main::bar_width, $main::bar_length, $row_separator, $column_separator, %poll_options_info); } $options_html = qq(\n$rows_str\n); $html_out .= $main::display_code; $html_out =~ s/\{POLL_RESULTS\}/$options_html/g; $html_out =~ s/\{TOTAL_VOTES\}/$total_votes<\/font>/g; } # Display option selection else { for (my $m = 1; $m <= $number_of_options; $m++) { $options_html .= qq( $poll_options_info{'option_text'}[$m - 1]$main::option_separator\n); } $html_out .= $main::submission_code; $html_out =~ s/\{POLL_OPTIONS\}/$options_html<\/font>/g; $html_out =~ s/\{SUBMIT_BUTTON\}//g; $html_out =~ s/\{VIEW_BUTTON\}//g; } # Common variables for horizontal/vertical polls $html_out =~ s/\{POLL_QUESTION\}/$poll_info{'poll_question'}<\/font>/g; $html_out =~ s/\{START_DATE\}/$start_date<\/font>/g; $html_out =~ s/\{END_DATE\}/$end_date<\/font>/g; } # Attach "Close Window" button if viewing in demo mode if ($demo_check) { $html_out .= qq(

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LINK TO POLL CGI: $main::SCRIPT_URL/poll.cgi?poll_id=$poll_id SSI CODE: (replace highlighted VARIABLES with corresponding values) <!--#include virtual="VIRTUAL-PATH-TO/poll.cgi?poll_id=$poll_id&return_url=URL-WITH-SSI-CALL"-->

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); } # Complete poll $html_out .= ""; # Display poll print "Content-type: text/html\n\n"; print $html_out; exit; } ########################### SUB ROUTINES ########################### # Check visitor's IP address and cookies: # return 1 if already voted, 0 otherwise sub see_if_voted { my ($poll_id, $current_date, $ip_cleaning_time) = @_; my $FORM = new CGI; # Check cookies my $cookie_name = "pm_" . $poll_id . "_voted"; if ($main::USE_COOKIE_TRACKING && $FORM->cookie($cookie_name) > 0 && ($current_date - $FORM->cookie($cookie_name)) < $ip_cleaning_time) { return 1; # Check IP db } else { my $file_db = new lib::FileDB; $file_db->open_file(-file_name => "$main::DATA_PATH/$poll_id.log"); $file_db->close_file(); my %ip_info = $file_db->get_record(-condition => "ip_address=$ENV{'REMOTE_ADDR'}"); if (%ip_info) { return 1; } else { return 0; } } } # Record vote sub record_vote { my ($poll_id, $current_date) = @_; my $FORM = new CGI; my $option_num = $FORM->param('option'); # Set cookie if ($main::USE_COOKIE_TRACKING) { my $cookie_name = "pm_" . $poll_id . "_voted"; print "Set-Cookie: $cookie_name=$current_date; expires=Sat, 10-Jan-2099 10:10:10 GMT; path=/\n"; } my $file_db = new lib::FileDB; # Update poll file $file_db->open_file( -file_name => "$main::DATA_PATH/$poll_id.cgi", -open_to => "update" ); my %poll_options_info = $file_db->get_record(-condition => "option_num=$option_num"); $file_db->update_records( -condition => "option_num=$option_num", -fields => ['option_votes'], -values => [++$poll_options_info{'option_votes'}] ); $file_db->commit_changes(); $file_db->close_file(); # Record IP address $file_db->open_file( -file_name => "$main::DATA_PATH/$poll_id.log", -open_to => "append" ); $file_db->insert_record(-values => [$ENV{'REMOTE_ADDR'}]); $file_db->commit_changes(); $file_db->close_file(); } # Build horizontal poll sub build_horizontal_poll { my ($number_of_options, $total_votes, $show_votes, $show_percent, $show_bars, $bar_width, $bar_length, $row_separator, $column_separator, %poll_options_info) = @_; # Initialize rows and temporary variables my (@rows, $rows_str, $percent_votes, $percent_bar); for (my $m = 0; $m < $number_of_options; $m++) { # Option text column $rows[$m] = "\n"; $rows[$m] .= qq($poll_options_info{'option_text'}[$m]\n); if ($show_votes) { $rows[$m] .= qq($column_separator$poll_options_info{'option_votes'}[$m]\n); } # Vote percentage column if ($show_percent) { if ($total_votes == 0) { $percent_votes = 0; } else { $percent_votes = int(($poll_options_info{'option_votes'}[$m] / $total_votes) * 100); if (((($poll_options_info{'option_votes'}[$m] / $total_votes) * 100) - $percent_votes) >= 0.5) { $percent_votes++; # round off } } $rows[$m] .= qq($column_separator ($percent_votes%)\n); } # Graphical bars column if ($show_bars) { if ($total_votes < 1) { $percent_bar = 1; } else { $percent_bar = int(($poll_options_info{'option_votes'}[$m] / $total_votes) * $bar_length); $percent_bar = 1 if $percent_bar < 1; } $rows[$m] .= qq($column_separator ); } # Complete row $rows[$m] .= "\n"; } # Combine all rows $rows_str = join $row_separator, @rows; return $rows_str; } # Build vertical poll sub build_vertical_poll { my ($number_of_options, $total_votes, $show_votes, $show_percent, $show_bars, $bar_width, $bar_length, $row_separator, $column_separator, %poll_options_info) = @_; # Initialize rows, columns and temporary variables my (@rows, @columns, $rows_str, $columns_str, $percent_votes, $percent_bar); # Graphical bars row if ($show_bars) { @columns = (); for (my $p = 0; $p < $number_of_options; $p++) { if ($total_votes == 0) { $percent_bar = 1; } else { $percent_bar = int(($poll_options_info{'option_votes'}[$p] / $total_votes) * $bar_length); $percent_bar = 1 if $percent_bar < 1; } $columns[$p] = qq(

); } $columns_str = join $column_separator, @columns; push(@rows, qq( $columns_str\n\n)); } # Vote percentage row if ($show_percent) { @columns = (); for (my $q = 0; $q < $number_of_options; $q++) { if ($total_votes == 0) { $percent_votes = 0; } else { $percent_votes = int(($poll_options_info{'option_votes'}[$q] / $total_votes) * 100); if (((($poll_options_info{'option_votes'}[$q] / $total_votes) * 100) - $percent_votes) >= 0.5) { $percent_votes++; # round off } } $columns[$q] = qq(

$percent_votes%

); } $columns_str = join $column_separator, @columns; push(@rows, qq( \n$columns_str\n)); } # Votes row if ($show_votes) { @columns = (); for (my $r = 0; $r < $number_of_options; $r++) { $columns[$r] = qq(

$poll_options_info{'option_votes'}[$r]

); } $columns_str = join $column_separator, @columns; push(@rows, qq( \n$columns_str\n)); } # Option text row @columns = (); for (my $t = 0; $t < $number_of_options; $t++) { $columns[$t] = qq(

$poll_options_info{'option_text'}[$t]

); } $columns_str = join $column_separator, @columns; push(@rows, qq( \n$columns_str\n)); # Combine all rows $rows_str = join $row_separator, @rows; return $rows_str; } # Reset IP Log sub reset_ip_log { my ($poll_id, $current_date) = @_; my $file_db = new lib::FileDB; # Reset IP log $file_db->open_file(-file_name => "$main::DATA_PATH/$poll_id.log", -open_to => "overwrite" ); $file_db->insert_record(-values => ["IP_ADDRESS"]); $file_db->commit_changes(); $file_db->close_file(); # Update POLLS table $file_db->open_file( -file_name => "$main::DATA_PATH/POLLS.cgi", -open_to => "update" ); $file_db->update_records( -condition => "poll_id=$poll_id", -fields => ['ip_cleaning_date'], -values => [$current_date] ); $file_db->commit_changes(); $file_db->close_file(); }